/*
 * Copyright (c) 2010 SURFnet bv
 * All rights reserved.
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 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
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 */

/*****************************************************************************
 OSSLDHPrivateKey.h

 OpenSSL Diffie-Hellman private key class
 *****************************************************************************/

#ifndef _SOFTHSM_V2_OSSLDHPRIVATEKEY_H
#define _SOFTHSM_V2_OSSLDHPRIVATEKEY_H

#include "config.h"
#include "DHPrivateKey.h"
#include <openssl/dh.h>

class OSSLDHPrivateKey : public DHPrivateKey
{
public:
	// Constructors
	OSSLDHPrivateKey();

	OSSLDHPrivateKey(const DH* inDH);

	// Destructor
	virtual ~OSSLDHPrivateKey();

	// The type
	static const char* type;

	// Check if the key is of the given type
	virtual bool isOfType(const char* inType);

	// Setters for the DH private key components
	virtual void setX(const ByteString& inX);

	// Setters for the DH public key components
	virtual void setP(const ByteString& inP);
	virtual void setG(const ByteString& inG);

	// Encode into PKCS#8 DER
	virtual ByteString PKCS8Encode();

	// Decode from PKCS#8 BER
	virtual bool PKCS8Decode(const ByteString& ber);

	// Set from OpenSSL representation
	virtual void setFromOSSL(const DH* inDH);

	// Retrieve the OpenSSL representation of the key
	DH* getOSSLKey();

private:
	// The internal OpenSSL representation
	DH* dh;

	// Create the OpenSSL representation of the key
	void createOSSLKey();
};

#endif // !_SOFTHSM_V2_OSSLDHPRIVATEKEY_H